Explain Cardinal points and nodal planes of a lens system.
Answers
In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system. These are the focal points, the principal points, and the nodal points.
points of an optical system for which an incoming ray, directed at a nodal point, leaves the system with the same direction. Therefore, a ray directed to that center will go through the lens without any deflection or parallel offset
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Answer:
In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system. These are the focal points, the principal points, and the nodal points.
points of an optical system for which an incoming ray, directed at a nodal point, leaves the system with the same direction. Therefore, a ray directed to that center will go through the lens without any deflection or parallel offset
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